Organic materials having meta, para-isopropylidene diphenoxy uni

Details Organic materials having meta, para-isopropylidene diphenoxy uni Organic materials having meta, para-isopropylidene diphenoxy uni

1978-12-06

1980-12-02

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528170, 528171, 528176, 528196, 528219, 528211, 525474, C08G 6362

Patent

active

042372593

ABSTRACT:
Meta,para-isopropylidene bisphenol is homopolymerized and copolymerized to produce a variety of high performance thermoplastics having improved processing characteristics. In addition to polycarbonates, there are provided polyesters, polyestercarbonates, polyepoxides, polysulfones, polyetherimides, polyformals, epoxy resins and polycarbonate-polydiorganosiloxane block polymers.

REFERENCES:
patent: 3014891 (1961-12-01), Goldblum
patent: 3021305 (1962-02-01), Goldberg
patent: 3030335 (1962-04-01), Goldberg
patent: 3510415 (1970-05-01), Barth

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